1. Introduction
The PRUNUS J-189 is a compact and versatile portable radio designed for ease of use and high-quality audio. It combines traditional FM/AM radio functionality with modern features such as Bluetooth connectivity, MP3 playback from USB and Micro SD cards, and a built-in emergency flashlight. Its small size and lightweight design make it an ideal companion for both indoor and outdoor activities.
Key Features:
- Portable Design: Compact dimensions (126 x 59 x 25mm) and lightweight (126g) for easy carrying. Includes a strap that doubles as a hidden antenna.
- Superior Sound Quality: Features a 3W internal magnetic speaker for Hi-Fi sound. A 3.5mm headphone jack is available for private listening.
- Excellent Reception: Supports FM (76-108MHz) and AM (522-1710KHz) bands. Offers one-key automatic station scanning and storage for up to 99 radio stations.
- Rechargeable Battery: Equipped with a replaceable 1200mAh rechargeable battery, providing over 10 hours of playback. Charges via Micro USB.
- Multi-functional: Acts as a Bluetooth speaker for playing music from your phone (note: cannot connect to Bluetooth headphones/earbuds). Also functions as an MP3 player via Micro SD card or USB flash drive.
- Emergency Flashlight: A built-in LED flashlight provides illumination when needed.
2. Package Contents
- PRUNUS J-189 Portable Radio
- Micro USB Charging Cable
- Wrist Strap (with integrated antenna)
- User Manual
3. Specifications
| Feature | Specification |
|---|---|
| Model Number | J-189 |
| Brand Name | PRUNUS |
| Dimensions (WxHxD) | 12.70 x 6.00 x 2.50 cm |
| Weight | Approx. 126g |
| Body Material | Plastic |
| Radio Type | AM / FM |
| FM Frequency Range | 76-108MHz |
| AM Frequency Range | 522-1710KHz |
| Bluetooth | Yes (for speaker function) |
| WIFI | No |
| Screen | Yes (Digital Display) |
| Power Supply | Rechargeable Battery Pack |
| Battery Capacity | 1200mAh |
| Functions | Built-In Speaker, Flashlight, Built-in Amplifier |
| Certification | CE |
4. Controls and Ports
Familiarize yourself with the layout of your PRUNUS J-189 radio:
Button Functions:
- Number Pad (0-9): For direct frequency input or track selection.
- LED: Activates/deactivates the emergency flashlight.
- REP: Repeat function for MP3 playback.
- Play/Pause (►▮▮): Play or pause audio.
- Previous (◀◀): Go to the previous station/track.
- Next (►►): Go to the next station/track.
- M (Mode): Switches between FM, AM, Bluetooth, and MP3 modes.
Ports:
- DC5V Charging Port (Micro USB): For charging the internal battery.
- USB Port: For playing MP3 files from a USB flash drive.
- Auxiliary Input: For connecting external audio devices.
- Micro SD Card Slot: For playing MP3 files from a Micro SD/TF card.
- 3.5mm Earphone Jack: For connecting headphones for private listening.
Other Features:
- Hidden Antenna: The wrist strap serves as the radio's antenna. Extend it for optimal reception.
5. Initial Setup
5.1 Charging the Battery
- Locate the DC5V Charging Port (Micro USB) on the side of the radio.
- Connect the provided Micro USB charging cable to the radio and a compatible USB power source (e.g., USB adapter, computer, power bank).
- The LED indicator light will illuminate, indicating that the radio is charging.
- Note: The LED indicator will remain lit even after the battery is fully charged.
5.2 Antenna
The wrist strap of the PRUNUS J-189 functions as its antenna. For best radio reception, ensure the strap is fully extended and positioned for optimal signal capture.
6. Operating Instructions
6.1 Power On/Off
Locate the power switch (usually on the side or top) and slide it to the 'ON' position to power on the radio. Slide to 'OFF' to power off.
6.2 Radio Mode (FM/AM)
- Press the M (Mode) button to cycle through modes until 'FM' or 'AM' is displayed.
- Automatic Scan: In radio mode, press and hold the Play/Pause (►▮▮) button. The radio will automatically scan for and store all available stations (up to 99).
- Manual Tuning/Direct Frequency Input: Use the number pad (0-9) to directly enter a desired frequency. For example, to tune to 98.5 FM, enter '985'.
- Changing Stations: Use the Previous (◀◀) and Next (►►) buttons to navigate through stored stations or manually tuned frequencies.
6.3 Bluetooth Speaker Mode
- Press the M (Mode) button to switch to Bluetooth mode. The display will show 'BLUE' or a Bluetooth icon, and you may hear an audible prompt.
- On your mobile device, enable Bluetooth and search for available devices.
- Select 'J-189' (or similar name) from the list to pair.
- Once connected, you can play audio from your mobile device through the radio's speaker.
- Important Note: The PRUNUS J-189 functions as a Bluetooth speaker only. It cannot connect to Bluetooth headphones, earbuds, or other Bluetooth audio output devices.
6.4 MP3 Player Mode (USB/Micro SD)
- Insert a Micro SD/TF card or a USB flash drive containing MP3 audio files into the respective slot/port.
- Press the M (Mode) button to switch to MP3 mode. The radio should automatically detect and begin playing files.
- Use the Previous (◀◀) and Next (►►) buttons to skip tracks.
- Press the Play/Pause (►▮▮) button to pause or resume playback.
- Use the REP button for repeat functions (e.g., repeat one, repeat all).
6.5 Emergency Flashlight
To activate the built-in flashlight, press the LED button. Press it again to turn off the flashlight. This feature is useful for low-light conditions or emergencies.
6.6 Video Overview
Watch this short video for a visual demonstration of the PRUNUS J-189 radio's features and functions.
Video: PRUNUS J-189 Digital FM AM Radio Features
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the radio. Do not use liquid cleaners or abrasive materials.
- Storage: Store the radio in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: If the radio will not be used for an extended period, charge the battery periodically to maintain its lifespan.
- Water Exposure: This device is not waterproof. Avoid exposure to water or high humidity.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Radio does not power on. | Battery is depleted. | Charge the radio using the Micro USB cable. |
| Poor radio reception. | Antenna not extended or weak signal. | Fully extend the wrist strap (antenna). Try moving to a different location. |
| Bluetooth not connecting to device. | Radio not in Bluetooth mode, device not discoverable, or attempting to connect to headphones. | Ensure radio is in Bluetooth mode ('BLUE' displayed). Make sure your mobile device's Bluetooth is on and discoverable. Remember, the radio cannot connect to Bluetooth headphones. |
| No sound from MP3 player. | Micro SD/USB not inserted correctly, or files are not MP3 format. | Check if the Micro SD card or USB drive is properly inserted. Ensure audio files are in MP3 format. |
| LED indicator stays on after charging. | This is normal behavior. | No action required. The light indicates charging status and remains on. |
9. Warranty and Support
Your PRUNUS J-189 radio is backed by the seller's commitment to quality and customer satisfaction.
Warranty Information:
- Free Returns: Enjoy free returns within 90 days of purchase.
- Fast Delivery Guarantee: A $1.00 coupon code may be provided if delivery is delayed.
- Refund Policy: Full refund if the package is lost or items are damaged during shipping. Refund also available if no delivery within 60 days.
For further assistance, please contact the PRUNUS Official Store directly through the platform where you made your purchase.